[GHC] #13222: Update formalism for join points

[GHC]

#13222: Update formalism for join points
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        Reporter:  lukemaurer        |                Owner:  lukemaurer
            Type:  task              |               Status:  patch
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3296
       Wiki Page:                    |
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Comment (by bgamari):

 This is waiting on me to rework our handling of the core lint formalism
 PDF. Currently it's checked in to the repository, meaning that around
 300kB is added to the repo on every change. Being a generated artifact, it
 really doesn't belong under version control but it requires non-trivial
 tools to generate, so we need to place a copy somewhere before removing
 it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13222#comment:5>
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